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Title: Direct evidence of the failure of electric-dipole approximation in second-harmonic generation from a chiral polymer film
Authors: VanElshocht, S ×
Verbiest, Thierry
Kauranen, M
Persoons, Andre
LangeveldVoss, BMW
Meijer, EW #
Issue Date: Jan-1997
Publisher: Amer inst physics
Series Title: Journal of Chemical Physics vol:107 issue:19 pages:8201-8203
Abstract: Second-harmonic generation from Langmuir-Blodgett films of a polythiophene is strongly influenced by the chirality of the polymer. The polarization dependence of the process cannot be explained in the electric-dipole approximation. Evidence of contributions beyond electric dipoles is obtained directly from individual second-harmonic signals. (C) 1997 American Institute of Physics.
URI: 
ISSN: 0021-9606
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Imaging and Photonics
× corresponding author
# (joint) last author

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